-/* $Cambridge: exim/src/src/spool_in.c,v 1.8 2005/02/17 11:58:26 ph10 Exp $ */
+/* $Cambridge: exim/src/src/spool_in.c,v 1.15 2006/02/07 11:19:00 ph10 Exp $ */
/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2005 */
+/* Copyright (c) University of Cambridge 1995 - 2006 */
/* See the file NOTICE for conditions of use and distribution. */
/* Functions for reading spool files. When compiling for a utility (eximon),
Unix systems it doesn't make any difference as long as Exim is consistent in
what it locks. */
-fcntl(deliver_datafile, F_SETFD, fcntl(deliver_datafile, F_GETFD) |
+(void)fcntl(deliver_datafile, F_SETFD, fcntl(deliver_datafile, F_GETFD) |
FD_CLOEXEC);
lock_data.l_type = F_WRLCK;
log_write(L_skip_delivery,
LOG_MAIN,
"Spool file is locked (another process is handling this message)");
- close(deliver_datafile);
+ (void)close(deliver_datafile);
deliver_datafile = -1;
errno = 0;
return FALSE;
one exception. DO NOT change the default value of dont_deliver, because it may
be forced by an external setting. */
-for (n = 0; n < ACL_C_MAX + ACL_M_MAX; n++) acl_var[n] = NULL;
+for (n = 0; n < ACL_CVARS + ACL_MVARS; n++) acl_var[n] = NULL;
authenticated_id = NULL;
authenticated_sender = NULL;
bmi_verdicts = NULL;
#endif
+#ifdef EXPERIMENTAL_DOMAINKEYS
+dk_do_verify = 0;
+#endif
+
#ifdef SUPPORT_TLS
tls_certificate_verified = FALSE;
tls_cipher = NULL;
/* The next three lines in the header file are in a fixed format. The first
contains the login, uid, and gid of the user who caused the file to be written.
-The second contains the mail address of the message's sender, enclosed in <>.
-The third contains the time the message was received, and the number of warning
-messages for delivery delays that have been sent. */
+There are known cases where a negative gid is used, so we allow for both
+negative uids and gids. The second contains the mail address of the message's
+sender, enclosed in <>. The third contains the time the message was received,
+and the number of warning messages for delivery delays that have been sent. */
if (Ufgets(big_buffer, big_buffer_size, f) == NULL) goto SPOOL_READ_ERROR;
while (p > big_buffer && isspace(p[-1])) p--;
*p = 0;
if (!isdigit(p[-1])) goto SPOOL_FORMAT_ERROR;
-while (p > big_buffer && isdigit(p[-1])) p--;
+while (p > big_buffer && (isdigit(p[-1]) || '-' == p[-1])) p--;
gid = Uatoi(p);
if (p <= big_buffer || *(--p) != ' ') goto SPOOL_FORMAT_ERROR;
*p = 0;
if (!isdigit(p[-1])) goto SPOOL_FORMAT_ERROR;
-while (p > big_buffer && isdigit(p[-1])) p--;
+while (p > big_buffer && (isdigit(p[-1]) || '-' == p[-1])) p--;
uid = Uatoi(p);
if (p <= big_buffer || *(--p) != ' ') goto SPOOL_FORMAT_ERROR;
*p = 0;
{
if (Ufgets(big_buffer, big_buffer_size, f) == NULL) goto SPOOL_READ_ERROR;
if (big_buffer[0] != '-') break;
-
big_buffer[Ustrlen(big_buffer) - 1] = 0;
+
+ /* For backward compatibility, we recognize "-acl", which was used before the
+ number of ACL variables changed. Its variable number is 0-9 for connection
+ variables, and 10-19 for message variables. */
+
if (Ustrncmp(big_buffer, "-acl ", 5) == 0)
{
int index, count;
if (sscanf(CS big_buffer + 5, "%d %d", &index, &count) != 2)
goto SPOOL_FORMAT_ERROR;
- /* Ignore if index too big - might be if a later release with more
- variables built this spool file. */
- if (index < ACL_C_MAX + ACL_M_MAX)
+ acl_var[index] = store_get(count + 1);
+ if (fread(acl_var[index], 1, count+1, f) < count) goto SPOOL_READ_ERROR;
+ acl_var[index][count] = 0;
+ }
+
+ /* Nowadays we use "-aclc" and "-aclm" for the different types of ACL
+ variable, because Exim may be built with different numbers of them. */
+
+ else if (Ustrncmp(big_buffer, "-aclc ", 6) == 0)
+ {
+ int index, count;
+ if (sscanf(CS big_buffer + 6, "%d %d", &index, &count) != 2)
+ goto SPOOL_FORMAT_ERROR;
+ if (index < ACL_CVARS)
{
acl_var[index] = store_get(count + 1);
if (fread(acl_var[index], 1, count+1, f) < count) goto SPOOL_READ_ERROR;
acl_var[index][count] = 0;
}
}
+
+ else if (Ustrncmp(big_buffer, "-aclm ", 6) == 0)
+ {
+ int index, count;
+ if (sscanf(CS big_buffer + 6, "%d %d", &index, &count) != 2)
+ goto SPOOL_FORMAT_ERROR;
+ if (index < ACL_MVARS)
+ {
+ index += ACL_CVARS;
+ acl_var[index] = store_get(count + 1);
+ if (fread(acl_var[index], 1, count+1, f) < count) goto SPOOL_READ_ERROR;
+ acl_var[index][count] = 0;
+ }
+ }
+
+ /* Other values */
+
else if (Ustrcmp(big_buffer, "-local") == 0) sender_local = TRUE;
else if (Ustrcmp(big_buffer, "-localerror") == 0)
local_error_message = TRUE;
else if (Ustrncmp(big_buffer, "-host_address", 13) == 0)
{
- sender_host_port = host_extract_port(big_buffer + 14);
+ sender_host_port = host_address_extract_port(big_buffer + 14);
sender_host_address = string_copy(big_buffer + 14);
}
else if (Ustrncmp(big_buffer, "-interface_address", 18) == 0)
{
- interface_port = host_extract_port(big_buffer + 19);
+ interface_port = host_address_extract_port(big_buffer + 19);
interface_address = string_copy(big_buffer + 19);
}
if (*p == ' ')
{
*p++ = 0;
- sscanf(CS p, "%d,%d", &dummy, &pno);
+ (void)sscanf(CS p, "%d,%d", &dummy, &pno);
}
}
else if (*p == ' ')
{
*p++ = 0;
- sscanf(CS p, "%d", &pno);
+ (void)sscanf(CS p, "%d", &pno);
}
/* Handle current format Exim 4 spool files */
else if (*p == '#')
{
int flags;
- sscanf(CS p+1, "%d", &flags);
+ (void)sscanf(CS p+1, "%d", &flags);
if ((flags & 0x01) != 0) /* one_time data exists */
{
int len;
while (isdigit(*(--p)) || *p == ',' || *p == '-');
- sscanf(CS p+1, "%d,%d", &len, &pno);
+ (void)sscanf(CS p+1, "%d,%d", &len, &pno);
*p = 0;
if (len > 0)
{
int i;
if (!isdigit(n)) goto SPOOL_FORMAT_ERROR;
- ungetc(n, f);
- fscanf(f, "%d%c ", &n, flag);
+ (void)ungetc(n, f);
+ (void)fscanf(f, "%d%c ", &n, flag);
if (flag[0] != '*') message_size += n; /* Omit non-transmitted headers */
if (read_headers)